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All Journal Indonesian Journal of Chemistry Molekul: Jurnal Ilmiah Kimia
Abbas, Layla Jasim
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology

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Screening The Anticancer Activity for New Schiff Bases of Natural Steroids Selman, Nawfal Abdul Samad; Abbas, Layla Jasim
Molekul Vol 18 No 3 (2023)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2023.18.3.8859

Abstract

The significance of cholesterol and ergosterol (provitamin d2) in biological systems has prompted interest in these compounds as pharmaceuticals. It has been reported on the effective straightforward synthesis of Schiff base modifications of cholesterol aldehyde and ergosterol aldehyde and their assessment as possible agents against cancer (esophagus natural cell lines and human cancer cells). Through a process called Steglish esterification, the initial cholesterol and ergosterol are converted into their respective aldehyde derivatives, by reacting with amines such as 2-amino 6-fluoro benzothiazole, carbohydrazide, and thiosemicarbazide, these aldehyde derivatives are transformed into the appropriate Schiff base derivatives, and then their anticancer activity is checked using the MTT (Microculture Tetrazolium Assay) assay method. For the purpose of analyzing their cytotoxic effects, these compounds were tested on cancerous (SK-GT-4, human esophageal adenocarcinoma) and normal (normal cell line, Rat Embryonic fibroblast (REF)) cell lines. The MTT assay results revealed that the compounds (a1, a2, c1, c2, compound 1) were more harmful to human esophageal cancer cell line than to healthy cell line other than compounds (t1, t2, compound 2, ergosterol and cholesterol alone). Overall, our research indicated that provitamin D2 (ergosterol), a1, a2, c2, t2, compound 1, had a growth-inhibiting effect on both cell lines compared to c1, t1, compound 2, and cholesterol alone.
Novel Benzothiazole Derivatives: Synthesis, Anticancer Activity, Density Function Theory (DFT) Study, and ADMET Prediction Abbas, Layla Jasim; Hussein, Kawkab Ali
Indonesian Journal of Chemistry Vol 24, No 5 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.95838

Abstract

Benzothiazole is an amazing small molecule involved in many applications in industrial and pharmaceutical industries to prepare many candidate compounds as effective drugs. In this study, we presented some derivatives of this compound that were prepared easily and quickly with the help of microwaves to minimize time, energy, and finances. The compounds’ cytotoxicity against the two cell lines SK-GT-4 and AMGM5 was examined. The cytotoxic effect of each compound at different concentrations was measured using the MTT assay. Compounds exhibited no potent cytotoxic effects toward the SK-GT-4 cell line. Compounds B1 and B2 had a high IC50 value and good growth inhibition activity against the AMGM5 cell line. According to in silico absorption, distribution, metabolism, and excretion analysis (ADME) prediction studies, the compounds B1, B2, and B3 met Lipinski and were drug-like in most physicochemical parameters. Despite some violations, generally favorable pharmacokinetic properties. It is also assumed that it can potentially become a drug candidate in the future. Various electronic parameters were examined using DFT/WB97XD/6-31++G(d,p), and studies were conducted to support the experimental findings. To estimate the binding modes of compounds B1 and B5, we also performed in silico molecular docking studies.
Co-Authors Hussein, Kawkab Ali Selman, Nawfal Abdul Samad